Apple has released a pair of firmware updates addressing issues with charging MacBook and MacBook Pro laptops from 2007 and 2008. MacBook Pro SMC Firmware Update 1.4 and MacBook SMC Firmware Update 1.4 enable those early laptops to charge successfully using newer 60 watt and 85 watt MagSafe adapters. Apple advises that your computer's fans will run loudly during the installation of the firmware update, but that they'll resume normal behavior when the installation completes. To install the update, your laptop must either be plugged in, or the battery must have a minimum of a 25 percent charge. The firmware updates require Mac OS X 10.5.8 or 10.6.4 to install, though you can start up from a disk containing one of those operating system versions, install the update, and then reboot into an older version of Mac OS X if necessary. (Free, 880 KB)
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Eolake Stobblehouse
MacBook/MacBook Pro SMC Firmware Update 1.4
by Lex Friedman 
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How long should this update take? It's now going on 15 minutes of blue screen with the scroll wheel spinning. Still no grey screen or high speed fans running.
Tried to run the firmware, twice. Message: "This computer does not need this update". MacBook5,1 - SMC Version (system): 1.32f8 - Aluminum Late 2008 - MacOSX 10.6.4 - 60w MagSafe Power Adapter (that came with the computer itself).